Adam has 40 T-8 light fixtures that he purchased for $12 each and 240 T-5 light fixtures that he purchased for $16 each on the floor of his lighting supply store. He also has 80 T-8 fixtures and 120 T-5 fixtures in his warehouse.

What is the unit cost of the light fixtures if Adam implements the weighted average inventory valuation method?

• $15.00
• $16.00
• $13.00
• $12.00